课件：一般现在时现在进行时和一般过去时和一般将来时态.ppt

动词的过去式 be动词的过去式为was, were； 行为动词的过去式有规则变化和不规则变化两种， 规则变化有以下几种情况： 1）直接在动词原形末尾加-ed. e.g. work-----worked; ask------asked; 2）以e结尾的动词只加-d. e.g. arrive-----arrived; like-----liked. 3)末尾只有一个辅音字母的重读闭音节,应先双写这个辅音字母,再加-ed. e.g. shop-----shopped; stopped 4)以辅音字母+y结尾的动词,先把y变成i,再加-ed. e.g. carry----carried; study------studied. 有些动词变过去式是不规则的,e.g. fly------flew; break-----broke; teach-----taught. 这些需要象生单词一样记住. 练习：请写出下列动词的过去形式 put cut read come go take swim run begin do play enjoy stop Play enjoy stop put cut read came went took swam ran began did played enjoyed stopped 一般将来时态 构成 will+动词原形 和be going to+动词原形 一般将来时I: will +动词原形的用法:表从现在看来将要发生的事或存在的状态。 肯定句：主语+ will+动词原形------ There will be a computer on every desk in the future. 未来每个桌子上都将有一台电脑。 It will rain tomorrow. 明天将要下雨。 We will go to school on foot. 我们将步行去上学。 一般疑问句：Will+主语+ 动词原形----- ？回答（Yes, sb will或 No, sb won’t）Will there be a computer on every desk tomorrow? Yes, there will. / No, there won’t.未来每个桌子上都将有一台电脑吗？是的，将有。 / 不，将没有。 Will it rain tomorrow? Yes, it will. / No, it won’t. 明天将会下雨吗？是的, 将会。 / 不, 将不会。 Will we go to school by bus tomorrow? Yes, we will. / No, we won’t. 明天我们将乘公交车去上学吗？ 是的，将会。 / 不，将不会。 否定句：主语+ will not（won’t）+动词原形— There will not be a computer on every desk in the future. = There won’t be a computer on every desk in the future.未来每个桌子上都将没有一台电脑 It will not rain tomorrow. It tomorrow. 明天将不会下雨。 We will not go to school by bus. We to school by bus. 我们将不乘公交车去上学。 特殊疑问句：疑问词+一般疑问句？ 一般将来时II: is/am /are going to + 动词原形的用法。 1、主要用来表示打算或计划要做某事, 主语是人。如： She is going to learn Japanese next year. There is going to be a football match tonight. Dad and I are going to see Beijing opera this afternoon. 今天下午我和爸爸打算去看京剧。We are going to have a meeting today. 今天我们要开会。?? I’m going to play the violin. 我打算拉小提琴。 She’s going to play the piano. 她打算弹钢琴